ASM802LAEPA ALSC [Alliance Semiconductor Corporation], ASM802LAEPA Datasheet - Page 9

• Manufacturer Part Number: ASM802LAEPA
• Description: UP Power Supply Supervisor With Battery Backup Switch
• Manufacturer: ALSC [Alliance Semiconductor Corporation]

Electrical Characteristics:
Unless other wise noted, V
V
rev 1.0
October 2003
BATT
V
Range (Note 1)
Supply Current
Excluding I
I
Backup Mode
(Excluding I
V
Current (Note 2)
V
V
Backup Mode
Battery Switch
Threshold,
V
Battery Switch over
Hysteresis
Reset Threshold
Notes:
1. If V
2. Battery charging-current is “-”. Battery discharge current is “+”.
3. WDI is guaranteed to be in an intermediate level state if WDI is floating and V
input impedance is 50 kΩ. WDI is biased to 0.3V
SUPPLY
CC
BATT
OUT
OUT
CC
, V
Parameter
= 2.8V; and T
to V
Output
in Battery
CC
Standby
BATT
in Battery
BATT
or V
OUT
Voltage
OUT
BATT
)
A
= T
is 0V, the other must be greater than 2.0V.
MIN
µP Power Supply Supervisor With Battery Backup Switch
CC
Symbol
to T
V
= 4.75V to 5.5V for the ASM690A / ASM802L / ASM805L and V
I
RT
S
MAX
Notice: The information in this document is subject to change without notice
.
ASM69_AC, ASM802_C
ASM805LC
ASM69_AE, ASM80__E
ASM69_AC, ASM80__E
ASM69_AC, ASM802_C
V
5.5V>V
I
I
I
V
ASM690A/802L/805L
ASM692A, ASM802M
ASM802L, T
ASM802M, T
OUT
OUT
OUT
CC
CC
=250µA, V
= 0V, V
< V
= 5mA
= 50mA
CC
RT
>V
BATT
A
BATT
A
CC
= 25°C, V
=25°C, V
CC
.
=2.8V
Conditions
-0.2V
< V
BATT
CC
CC
-0.2V
falling
falling
T
T
T
T
Power Up
Power Down
A
A
A
A
= 25°C
= T
= 25°C
= T
MIN
MIN
to T
to T
MAX
MAX
CC
CC
is within the operating voltage range. WDI
V
V
= 4.5V to 5.5V for the ASM692A / ASM802M;
BATT
CC
0.025
V
4.50
4.25
4.55
4.30
Min
-0.1
-1.0
1.1
1.1
1.1
CC
-0.25
-0.1
-
ASM690A / 692A
ASM802L / 802M
V
V
V
BATT
CC
CC
4.65
4.40
Typ
-20
35
35
20
40
-0.010
-0.10
-0.001
ASM805L
Max
0.02
0.02
4.75
4.50
4.70
4.45
100
100
5.5
5.5
5.5
1.0
5.0
Unit
mV
mV
9 of 13
µA
µA
µA
V
V
V
V